Duffle bag



FIG. 1 is a perspective view of the front side of the new design;

FIG. 2 is a plan view of the front side thereof;

FIG. 3 is a plan view of the back side thereof;

FIG. 4 is a plan view of the left side thereof;

FIG. 5 is a plan view of the right side thereof;

FIG. 6 is a plan view of the top side thereof; and,

FIG. 7 is a plan view of the bottom side thereof.

The broken lines illustrate portions of the duffle bag and form no part of the claimed design. 

CLAIM The ornamental design for a duffle bag, as shown and described. 